Comparison of off-line, on-line and in-line measuring techniques used for determining the rheological characteristics of polyethylene composites with calcium carbonate

被引：10

作者：

Klozinski, Arkadiusz ^{[1
]}

Barczewski, Mateusz ^{[2
]}

机构：

[1] Poznan Univ Tech, Fac Chem Technol, Inst Chem Technol & Engn, Berdychowo 4, PL-60965 Poznan, Poland

[2] Poznan Univ Tech, Fac Mech Engn & Management, Inst Mat Technol, Piotrowo 3, PL-61138 Poznan, Poland

来源：

POLIMERY | 2019年 / 64卷 / 02期

关键词：

polyethylene; calcium carbonate; off-line rheology; on-line rheology; in-line rheology; gear pump; power-law index; consistency factor; viscosity; viscosity curve; POLYMER MELT; FLOW; EXTRUSION; SPECTROSCOPY; DEFORMATION; VISCOSITY; BEHAVIOR;

D O I：

10.14314/polimery.2019.2.1

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The article has presented comparative tests of the theological characteristics of low-density polyethylene (LDPE) with an addition of calcium carbonate (CaCO3), containing 7, 14, 21 and 28 wt % of filler, respectively. The measurements were carried out by an off-line measuring technique (using a modified dead-weight plastometer), an on-line measuring technique (with a gear pump capillary rheometer) and an in-line measuring technique (with an extruder rheometer). The rheological parameters of the polymeric materials were determined based on the Ostwald-de-Waele power-law model at a temperature of 170 degrees C. The effect of calcium carbonate addition on the characteristic of operation of each of the employed instruments, the flow curves, the viscosity curves, and the values of power-law index (n) and consistency factor (K) have been determined.

引用

页码：83 / 92

页数：10

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